Evaluate the function when x = -1, 0, and 4.
b(x) = -2x - 4

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft